chore(3p/immer): Remove vendored copy of immer r/2029

We ended up dropping the use of this library again.

Change-Id: I2c44cd22a6128d23f87a582402bf5fb84991d608
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2292
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 0 insertions, 111 deletions

diff --git a/third_party/immer/benchmark/set/iter.hpp b/third_party/immer/benchmark/set/iter.hpp
deleted file mode 100644
index 91dd48644367..000000000000
--- a/third_party/immer/benchmark/set/iter.hpp
+++ /dev/null
@@ -1,111 +0,0 @@
-//
-// immer: immutable data structures for C++
-// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
-//
-// This software is distributed under the Boost Software License, Version 1.0.
-// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
-//
-
-#pragma once
-
-#include "benchmark/config.hpp"
-
-#include <immer/set.hpp>
-#include <immer/box.hpp>
-#include <immer/algorithm.hpp>
-#include <hash_trie.hpp> // Phil Nash
-#include <boost/container/flat_set.hpp>
-#include <set>
-#include <unordered_set>
-#include <numeric>
-
-namespace {
-
-template <typename T>
-struct iter_step
-{
-    unsigned operator() (unsigned x, const T& y) const
-    {
-        return x + y;
-    }
-};
-
-template <>
-struct iter_step<std::string>
-{
-    unsigned operator() (unsigned x, const std::string& y) const
-    {
-        return x + (unsigned) y.size();
-    }
-};
-
-template <>
-struct iter_step<immer::box<std::string>>
-{
-    unsigned operator() (unsigned x, const immer::box<std::string>& y) const
-    {
-        return x + (unsigned) y->size();
-    }
-};
-
-template <typename Generator, typename Set>
-auto benchmark_access_std_iter()
-{
-    return [] (nonius::chronometer meter)
-    {
-        auto n  = meter.param<N>();
-        auto g1 = Generator{}(n);
-
-        auto v = Set{};
-        for (auto i = 0u; i < n; ++i)
-            v.insert(g1[i]);
-
-        using step_t = iter_step<typename decltype(g1)::value_type>;
-        measure(meter, [&] {
-            volatile auto c = std::accumulate(v.begin(), v.end(), 0u, step_t{});
-            return c;
-        });
-    };
-}
-
-template <typename Generator, typename Set>
-auto benchmark_access_reduce()
-{
-    return [] (nonius::chronometer meter)
-    {
-        auto n = meter.param<N>();
-        auto g1 = Generator{}(n);
-
-        auto v = Set{};
-        for (auto i = 0u; i < n; ++i)
-            v = v.insert(g1[i]);
-
-        using step_t = iter_step<typename decltype(g1)::value_type>;
-        measure(meter, [&] {
-            volatile auto c = immer::accumulate(v, 0u, step_t{});
-            return c;
-        });
-    };
-}
-
-template <typename Generator, typename Set>
-auto benchmark_access_iter()
-{
-    return [] (nonius::chronometer meter)
-    {
-        auto n = meter.param<N>();
-        auto g1 = Generator{}(n);
-
-        auto v = Set{};
-        for (auto i = 0u; i < n; ++i)
-            v = v.insert(g1[i]);
-
-        using step_t = iter_step<typename decltype(g1)::value_type>;
-        measure(meter, [&] {
-            volatile auto c = std::accumulate(v.begin(), v.end(), 0u, step_t{});
-            return c;
-        });
-    };
-}
-
-} // namespace